<template>
  <div class="wrapper">
    <!-- header部分 -->
    <header>
      <BackButton></BackButton>
      <p>确认订单</p>
    </header>
    <!-- 订单信息部分 -->
    <div class="order-info">
      <h5>订单配送至：</h5>
      <div class="order-info-address" @click="toUserAddress">
        <div class="order-details">
          <!-- 使用 flex 布局将姓名和电话放在同一行 -->
          <div class="contact-row">
            <span class="order-detail-small">{{ deliveryaddress.contactName ? deliveryaddress.contactName : '请选择送货地址' }}</span>
            <span v-if="deliveryaddress.contactSex" class="order-detail-small contact-space">{{ deliveryaddress.contactSex | sexFilter }}</span>
            <span v-if="deliveryaddress.contactTel" class="order-detail-small">{{ deliveryaddress.contactTel }}</span>
          </div>
          <div class="address-row">
            <span class="order-detail-small">{{ deliveryaddress.address }}</span>
          </div>
        </div>
        <i class="fa fa-angle-right"></i>
      </div>
    </div>

    <h3>{{ business.businessName }}</h3>
    <!-- 订单明细部分 -->
    <ul class="order-detailed">
      <li v-for="item in cartArr">
        <div class="order-detailed-left">
          <img :src="item.food.foodImg">
          <p>{{ item.food.foodName }} x {{ item.quantity }}</p>
        </div>
        <p>&#165;{{ item.food.foodPrice * item.quantity }}</p>
      </li>
    </ul>
    <div class="order-deliveryfee">
      <p>配送费</p>
      <p>&#165;{{ business.deliveryPrice }}</p>
    </div>
    <!-- 合计部分 -->
    <div class="total">
      <div class="total-left">
        &#165;{{ totalPrice }}
      </div>
      <div class="total-right" @click="toPayment">
        去支付
      </div>
    </div>
  </div>
</template>

<script>
import Footer from '../components/Footer.vue';
import axios from 'axios';
import qs from 'qs';
import {
  getCurDate,
  setSessionStorage,
  getSessionStorage,
  removeSessionStorage,
  setLocalStorage,
  getLocalStorage,
  removeLocalStorage
} from '../common.js'
import BackButton from '@/components/backButton.vue';

export default {
  name: 'Orders',
  data() {
    return {
      businessId: this.$route.query.businessId,
      business: {},
      user: {},
      cartArr: [],
      deliveryaddress: {} // 确保初始化为空对象
    }
  },
  created() {
    this.user = this.$getSessionStorage('user') || {}; // 确保 user 有一个默认值
    if (this.user && typeof this.user.userSex !== 'undefined') {
      this.user.userSex = Number(this.user.userSex); // 将 userSex 转换为数字类型
    }
    const daId = this.$route.query.daId;

    // 如果通过路由传递了地址信息，使用该信息
    if (this.$route.query.contactName) {
      this.deliveryaddress = {
        daId: daId,
        contactName: this.$route.query.contactName,
        contactSex: this.$route.query.contactSex,
        contactTel: this.$route.query.contactTel,
        address: this.$route.query.address
      };
    } else if (daId) {
      // 如果只有 daId，则重新获取该地址信息
      this.fetchDeliveryAddress(daId);
    } else if (this.user.userId) {
      // 否则从 localStorage 中获取
      this.deliveryaddress = this.$getLocalStorage(this.user.userId) || {};
    }

    // 查询当前商家
    this.$axios.get(`/businesses/${this.businessId}`)
        .then(response => {
          this.business = response.data.data;
        })
        .catch(error => {
          console.error(error);
        });

    // 查询当前用户在购物车中的当前商家食品列表
    this.$axios.get('/carts', {
      params: {
        userId: this.user.userId,
        businessId: this.businessId
      }
    }).then(response => {
      this.cartArr = response.data.data;
    }).catch(error => {
      console.error(error);
    });
  },
  components: {
    BackButton
  },
  computed: {
    totalPrice() {
      let totalPrice = 0;
      for (let cartItem of this.cartArr) {
        totalPrice += cartItem.food.foodPrice * cartItem.quantity;
      }
      totalPrice += this.business.deliveryPrice;
      return totalPrice;
    }
  },
  filters: {
    sexFilter(value) {
      // 确保 value 是数字
      const sex = Number(value);
      return sex === 1 ? '先生' : '女士';
    }
  },
  methods: {
    fetchDeliveryAddress(daId) {
      // 根据daId获取地址详情
      this.$axios.get(`/deliveryAddresses/${daId}`)
          .then(response => {
            this.deliveryaddress = response.data.data;
            // 将新的地址信息存储到localStorage中
            this.$setLocalStorage(this.user.userId, this.deliveryaddress);
          })
          .catch(error => {
            console.error(error);
          });
    },
    toUserAddress() {
      this.$router.push({
        path: '/userAddress',
        query: {
          businessId: this.businessId
        }
      });
    },
    toPayment() {
      if (!this.deliveryaddress.contactName) {
        alert('请选择送货地址！');
        return;
      }

      // 创建订单
      this.$axios.post('/orders', {
        userId: this.user.userId,
        businessId: this.businessId,
        daId: this.deliveryaddress.daId
      }).then(response => {
        let orderId = response.data.data.orderId;
        if (orderId > 0 && response.data.state !== 500 ) {
          this.$router.push({
            path: '/payment',
            query: {
              orderId: orderId
            }
          });
        } else{
          alert('商品库存不足,创建订单失败！');
        }
      }).catch(error => {
        console.error(error);
        alert('商品库存不足,创建订单失败！');
      });
    }
  }
}
</script>

<style scoped>
/****************** 总容器 ******************/
.wrapper {
  width: 100%;
  height: 100%;
}

/****************** header部分 ******************/
.wrapper header {
  width: 100%;
  height: 12vw;
  background-color: #0097FF;
  color: #fff;
  font-size: 4.8vw;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
}

/****************** 订单信息部分 ******************/
.wrapper .order-info {
  /*注意这里，不设置高，靠内容撑开。因为地址有可能折行*/
  width: 100%;
  margin-top: 12vw;
  background-color: #0097EF;
  box-sizing: border-box;
  padding: 2vw;
  color: #fff;
}

.wrapper .order-info h5 {
  font-size: 3vw;
  font-weight: 300;
}

.wrapper .order-info .order-info-address {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  user-select: none;
  cursor: pointer;
  margin: 1vw 0;
}

.wrapper .order-info .order-info-address p {
  width: 90%;
  font-size: 5vw;
}

.wrapper .order-info .order-info-address i {
  font-size: 6vw;
}
.wrapper .order-info .order-details .contact-space {
  margin-left: 4vw; /* 设置姓名与电话之间的距离 */
}

.wrapper .order-info .order-details .address-row {
  font-size: 4vw;
  margin-top: 2vw; /* 设置地址与姓名行之间的距离 */
}
.wrapper .order-info p {
  font-size: 3vw;
}

.wrapper h3 {
  box-sizing: border-box;
  padding: 3vw;
  font-size: 4vw;
  color: #666;
  border-bottom: solid 1px #DDD;
}

/****************** 订单明细部分 ******************/
.wrapper .order-detailed {
  width: 100%;
}

.wrapper .order-detailed li {
  width: 100%;
  height: 16vw;
  box-sizing: border-box;
  padding: 3vw;
  color: #666;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.wrapper .order-detailed li .order-detailed-left {
  display: flex;
  align-items: center;
}

.wrapper .order-detailed li .order-detailed-left img {
  width: 10vw;
  height: 10vw;
}

.wrapper .order-detailed li .order-detailed-left p {
  font-size: 3.5vw;
  margin-left: 3vw;
}

.wrapper .order-detailed li p {
  font-size: 3.5vw;
}

.wrapper .order-deliveryfee {
  width: 100%;
  height: 16vw;
  box-sizing: border-box;
  padding: 3vw;
  color: #666;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 3.5vw;
}

/****************** 订单合计部分 ******************/
.wrapper .total {
  width: 100%;
  height: 14vw;
  position: fixed;
  left: 0;
  bottom: 0;
  display: flex;
}

.wrapper .total .total-left {
  flex: 2;
  background-color: #505051;
  color: #fff;
  font-size: 4.5vw;
  font-weight: 700;
  user-select: none;
  display: flex;
  justify-content: center;
  align-items: center;
}

.wrapper .total .total-right {
  flex: 1;
  background-color: #38CA73;
  color: #fff;
  font-size: 4.5vw;
  font-weight: 700;
  user-select: none;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
}
</style>